<template>
  <div class="navbar">
    <hamburger :is-active="sidebar.opened" class="hamburger-container" @toggleClick="toggleSideBar"/>

    <breadcrumb class="breadcrumb-container"/>
    <div class="right-menu">
      <div style="float:left;padding-right: 20px">
        <span class="demonstration">应用切换：</span>
        <el-cascader
          style="width: 260px"
          v-model="configModuleId"
          :options="appModuleList"
          @change="handleChange"/>
      </div>
      <el-dropdown class="avatar-container" trigger="click">
        <div class="avatar-wrapper">
          <img :src="avatar+'?imageView2/1/w/80/h/80'" class="user-avatar">
          <i class="el-icon-caret-bottom"/>
        </div>
        <el-dropdown-menu slot="dropdown" class="user-dropdown">
          <router-link to="/">
            <el-dropdown-item>
              Home
            </el-dropdown-item>
          </router-link>
          <a target="_blank" href="https://github.com/PanJiaChen/vue-admin-template/">
            <el-dropdown-item>Github</el-dropdown-item>
          </a>
          <a target="_blank" href="https://panjiachen.github.io/vue-element-admin-site/#/">
            <el-dropdown-item>Docs</el-dropdown-item>
          </a>
          <el-dropdown-item divided @click.native="logout">
            <span style="display:block;">Log Out</span>
          </el-dropdown-item>
        </el-dropdown-menu>
      </el-dropdown>
    </div>
  </div>
</template>

<script>
import {mapGetters} from 'vuex'
import Breadcrumb from '@/components/Breadcrumb'
import Hamburger from '@/components/Hamburger'
import {getAppModuleStructList} from "@/api/appmodule";

export default {
  components: {
    Breadcrumb,
    Hamburger
  },
  computed: {
    ...mapGetters([
      'sidebar',
      'avatar'
    ])
  },
  data() {
    return {
      configModuleId: 1,
      appModuleList: []
    }
  },
  created() {
    const bizConfigModuleId = localStorage.getItem('bizConfigModuleId')
    if (bizConfigModuleId) {
      this.configModuleId = parseInt(bizConfigModuleId)
    }
    this.initAppModuleStructData()
  },
  methods: {
    toggleSideBar() {
      this.$store.dispatch('app/toggleSideBar')
    },
    async logout() {
      await this.$store.dispatch('user/logout')
      this.$router.push(`/login?redirect=${this.$route.fullPath}`)
    },
    handleChange(value) {
      const changeModuleId = value[1]
      if (changeModuleId) {
        const localModuleId = localStorage.getItem('bizConfigModuleId')
        if (changeModuleId === localModuleId) {
          return
        }
        localStorage.setItem('bizConfigModuleId', changeModuleId)
        window.location.reload()
      }
    },
    initAppModuleStructData() {
      getAppModuleStructList().then(response => {
        const {data} = response
        if (data.code === 0) {
          const result = []
          const appModuleListMapping = data.body;
          this.appModuleMapping = appModuleListMapping;
          for (const appCode in appModuleListMapping) {
            // 组装二级选项
            const moduleList = []
            const appModuleListMappingElement = appModuleListMapping[appCode];
            for (const index in appModuleListMappingElement) {
              // 组装二级选项
              const myModuleInfo = {
                'value': appModuleListMappingElement[index].moduleId,
                'label': appModuleListMappingElement[index].moduleCode
              }
              moduleList.push(myModuleInfo);
            }
            // 组装一级选项
            const appInfo = {
              'value': '',
              'label': appCode,
              'children': moduleList
            }
            result.push(appInfo)
          }
          this.appModuleList = result
        }
      })
    }
  }
}
</script>

<style lang="scss" scoped>
.navbar {
  height: 50px;
  overflow: hidden;
  position: relative;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0, 21, 41, .08);

  .hamburger-container {
    line-height: 46px;
    height: 100%;
    float: left;
    cursor: pointer;
    transition: background .3s;
    -webkit-tap-highlight-color: transparent;

    &:hover {
      background: rgba(0, 0, 0, .025)
    }
  }

  .breadcrumb-container {
    float: left;
  }

  .right-menu {
    float: right;
    height: 100%;
    line-height: 50px;

    &:focus {
      outline: none;
    }

    .right-menu-item {
      display: inline-block;
      padding: 0 8px;
      height: 100%;
      font-size: 18px;
      color: #5a5e66;
      vertical-align: text-bottom;

      &.hover-effect {
        cursor: pointer;
        transition: background .3s;

        &:hover {
          background: rgba(0, 0, 0, .025)
        }
      }
    }

    .avatar-container {
      margin-right: 30px;

      .avatar-wrapper {
        margin-top: 5px;
        position: relative;

        .user-avatar {
          cursor: pointer;
          width: 40px;
          height: 40px;
          border-radius: 10px;
        }

        .el-icon-caret-bottom {
          cursor: pointer;
          position: absolute;
          right: -20px;
          top: 25px;
          font-size: 12px;
        }
      }
    }
  }
}
</style>
